Composer and conductor

Gustavo Dudamel, left, joins hands with John Adams after the world premiere of of the acclaimed composer's "City Noir," which was commissioned by the L.A. Philharmonic.

Gustavo Dudamel, left, joins hands with John Adams after the world premiere of of the acclaimed composer's "City Noir," which was commissioned by the L.A. Philharmonic. (Lawrence K. Ho / Los Angeles Times)

Gustavo Dudamel, left, joins hands with John Adams after the world premiere of of the acclaimed composer's "City Noir," which was commissioned by the L.A. Philharmonic.